Qutub Minar is a victory tower, located in New Delhi. It is a UNESCO world heritage site. Construction of Qutub Minar was started by Qutub-ud-din Aibak in 1199 and completed by his son-in-law Iltutmish, Sultan of Gulam dynasty of Delhi saltnat. This Minar is 72.5 metre long. It is one of the most visited tourist palaces in India.